Battery charger



FIG. 1 is an isometric view of the invented battery charger showing my new design.

FIG. 2 is a top view thereof;

FIG. 3 is a left end view thereof;

FIG. 4 is a front view thereof,

FIG. 5 is a right end view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for a battery charger, as shown and described. 